8(3x-7)+7(x-4)=280

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Solution for 8(3x-7)+7(x-4)=280 equation:


Simplifying
8(3x + -7) + 7(x + -4) = 280

Reorder the terms:
8(-7 + 3x) + 7(x + -4) = 280
(-7 * 8 + 3x * 8) + 7(x + -4) = 280
(-56 + 24x) + 7(x + -4) = 280

Reorder the terms:
-56 + 24x + 7(-4 + x) = 280
-56 + 24x + (-4 * 7 + x * 7) = 280
-56 + 24x + (-28 + 7x) = 280

Reorder the terms:
-56 + -28 + 24x + 7x = 280

Combine like terms: -56 + -28 = -84
-84 + 24x + 7x = 280

Combine like terms: 24x + 7x = 31x
-84 + 31x = 280

Solving
-84 + 31x = 280

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '84' to each side of the equation.
-84 + 84 + 31x = 280 + 84

Combine like terms: -84 + 84 = 0
0 + 31x = 280 + 84
31x = 280 + 84

Combine like terms: 280 + 84 = 364
31x = 364

Divide each side by '31'.
x = 11.74193548

Simplifying
x = 11.74193548

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